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Iguane

Description of the radar set, tactical-technical characteristics

Figure 1: Breguet Atlantic with Iguane radar

Figure 1: Breguet Atlantic with Iguane radar

Specifications
frequency: X-Band
pulse repetition time (PRT):
pulse repetition frequency (PRF):
pulsewidth (τ):
receive time:
dead time:
peak power:
average power:
instrumented range: 130 NM (≙ 240 km)
range resolution:
accuracy:
beamwidth:
hits per scan:
antenna rotation:
MTBCF:
MTTR:

Iguane

Iguane (Manufacturer's designation: DRAA-10A or TMV-118) is operating in X-Band airborne a multimode surveillance radar intended for installation on fixed-wing aircraft. The radar has the sensitivity to detect small periscope-size targets. It can operate in surface search mode and weather avoidance mode simultaneously and carries out track-while-scan. An Identification Friend or Foe (IFF) system is integrated into the radar. The weight of the Iguane system is under 170 kilograms.

The radar uses a parabolic antenna with inverted cosecant squared pattern. The transmitted signal is an intrapulse modulated waveform. The receiver uses classic Surface Acoustic Wave (SAW) filters with a pulse compression ratio of 500:1, achieving range resolution in the range of a few meters.

The technical evaluation of the Iguane radar was commenced in 1979; the prototype flew in May 1981. It was installed, for example, in the Breguet Atlantic as a small retractable radome under the forward fuselage. About 90 exemplars were produced.